Give the structure of sulphadiazine. Mention its uses.

Explain what do you understand by pathogens. How can we control the microbial diseases?

Describe the following with suitable examples of chemicals:
(i) Antipyretics
(ii) Antiseptics
(iii) Tranquilizers
(iv) Wide spectrum antibiotics

What is the difference between local and general anaesthetics? Name one chemical used in each case.

Name the action of the following on the human body:
(a) Aspirin
(b) Penicillin
(c) Phenacetin
(d) Morphine
(e) Analgin
(f) Laminal
(g) Sarconal
(h) Streptomycin.

What is the basic structure of a detergent?

What is paracetamol? What medicinal effect does it produce in the human body?

Give one important use of each of the following:
(i) Bithional        
(ii) Chloroamphenicol
(iii) Streptomycin
(iv) Paracetamol.

How are antiseptics distinguished from disinfectants? Give two examples of each of the substances.